From KnowlegeNuts:
The standard 52-card deck has been around for 500 years or more. What is rather unbelievable is that there are so many possible arrangements of the cards, it is statistically unlikely that any two have ever repeated in all of history.
There are in fact 80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000 arrangements.
The above number, while impossible to get your head around in any conventional manner, is 52 factorial, the possible orders of a shuffled deck. While enormous, the number is rather simply arrived at, by multiplying 52 down to 1 (52 x 51 x 50 . . . ). There are more possible arrangements of cards than there are atoms on Earth.
.
Do you have something you’d like to share? A link? A joke? Some words of wisdom? A topic to discuss? It’s our nightly Open Thread, and you have the floor.







